1.
Since the sun powers the water cycle and creates wind, wind energy and hydroelectric power are indirect sources of what type of enery?
Correct Answer
A. Solar Power
Explanation
Wind energy and hydroelectric power are both indirect sources of solar power because they are ultimately derived from the sun's energy. The sun powers the water cycle, which creates wind through the movement of air masses, and also drives the evaporation and precipitation that fills rivers and reservoirs, generating hydroelectric power. Therefore, both wind energy and hydroelectric power can be traced back to the sun's energy, making solar power the correct answer.
2.
Which one of these is NOT a disadvantage for using fossil fuels?
Correct Answer
C. Fossil fuels are relatively inexpensive.
Explanation
The given correct answer states that fossil fuels are relatively inexpensive. This means that one advantage of using fossil fuels is their affordability compared to other sources of energy. While fossil fuels have several disadvantages such as being non-renewable, contributing to pollution, and eventually running out, their cost-effectiveness is not considered a disadvantage.
3.
Which type of renewable energy resource is collected close to Lanier Middle School for a large population?
Correct Answer
B. Hydroelectric Power
Explanation
Hydroelectric power is the correct answer because it is a type of renewable energy resource that can be collected close to Lanier Middle School for a large population. Hydroelectric power is generated by harnessing the energy from flowing or falling water, such as rivers or dams, and converting it into electricity. It is a reliable and sustainable source of energy that can provide power to a large number of people, making it an ideal choice for a school located near a water source.
4.
What is an advantage of nuclear power?
Correct Answer
D. It is inexpensive to produce.
Explanation
Nuclear power is advantageous because it is inexpensive to produce. Unlike other forms of energy, such as fossil fuels, the cost of nuclear power is relatively low once the initial investment in building the infrastructure is made. The fuel used in nuclear reactors, uranium, is also widely available and relatively cheap. This makes nuclear power an attractive option for countries looking to meet their energy needs without breaking the bank. Additionally, the cost stability of nuclear power allows for long-term planning and budgeting, making it a reliable and cost-effective source of energy.
5.
To prevent the dust bowl, farmers could have attempted which of the following soil conservation practices?
Correct Answer
D. All of the above
Explanation
To prevent the dust bowl, farmers could have attempted all of the above soil conservation practices. Crop rotation involves planting different crops in a specific order to improve soil fertility and prevent erosion. Planting wind breaks, such as trees or shrubs, can help block strong winds and reduce soil erosion. Contour plowing involves plowing along the contours of the land, which helps to slow down water runoff and prevent soil erosion. By implementing all of these practices, farmers could have effectively conserved the soil and mitigated the dust bowl phenomenon.
6.
Which of these is an example of a biomass fuel?
Correct Answer
C. Wood
Explanation
Wood is an example of a biomass fuel because it is derived from organic matter, specifically trees. Biomass fuels are renewable energy sources that come from living or recently living plant and animal materials. Wood is commonly used as a fuel for heating and cooking purposes due to its high energy content and availability.
7.
The intense heat beneath the Earth's surface can be a source of
Correct Answer
D. Geothermal energy
Explanation
Geothermal energy refers to the heat energy stored beneath the Earth's surface. This intense heat can be harnessed to generate electricity or heat buildings. Unlike hydrogen power, nuclear fusion, and solar energy, which have different sources and processes, geothermal energy specifically utilizes the heat from the Earth's interior.
8.
Most of the pollution in the atmosphere (air) comes from
Correct Answer
D. Burning fossil fuels
Explanation
Burning fossil fuels is the correct answer because it is a major source of pollution in the atmosphere. When fossil fuels such as coal, oil, and natural gas are burned for energy, they release harmful pollutants such as carbon dioxide, sulfur dioxide, nitrogen oxides, and particulate matter. These pollutants contribute to air pollution and have detrimental effects on human health and the environment. While pollen, forest fires, and volcanic eruptions can also contribute to air pollution, their impact is generally localized and not as significant as burning fossil fuels on a global scale.
9.
Plowing removed the grass from the Great Plains and exposed the soil. What effect did this have when a drought struck the Great Plains in the 1930's?
Correct Answer
C. It helped to cause the Dust Bowl.
Explanation
Plowing removed the grass from the Great Plains, which had a significant impact when a drought struck in the 1930s. Without the grass to hold the soil in place, the exposed soil was vulnerable to erosion by wind. The combination of drought and strong winds led to massive dust storms, creating the infamous Dust Bowl. Therefore, plowing played a crucial role in causing the Dust Bowl.
10.
What term describes the management of soil to prevent its descrution?
Correct Answer
C. Soil conservation
Explanation
Soil conservation refers to the management practices that are implemented to prevent the destruction or degradation of soil. This includes techniques such as contour plowing, terracing, and crop rotation, which help to prevent erosion and maintain soil fertility. By implementing these practices, soil can be protected from factors such as wind and water erosion, nutrient depletion, and loss of organic matter. Soil conservation is essential for sustainable agriculture and ensuring the long-term productivity of agricultural land.
11.
Which of the following is NOT a way to conserve water?
Correct Answer
A. Wash your car in the middle of the day
Explanation
Washing your car in the middle of the day is not a way to conserve water because during that time, the sun is at its peak and the temperature is usually higher. This means that the water used for washing the car will evaporate quickly, resulting in wastage of water.
12.
What does tidal power depend on to generate electricity?
Correct Answer
B. Tides
Explanation
Tidal power depends on tides to generate electricity. Tides are caused by the gravitational pull of the moon and the sun on Earth's oceans. As the tides rise and fall, the kinetic energy of the moving water can be harnessed to turn turbines and generate electricity. Unlike other renewable energy sources like wind or solar, tidal power is predictable and reliable, as tides occur twice a day without fail. Therefore, tides are the crucial factor in generating electricity from tidal power.
13.
The three major fossils fuels are coal, oil, and
Correct Answer
B. Natural gas.
Explanation
The three major fossil fuels are coal, oil, and natural gas. While coal and oil are commonly known as fossil fuels, natural gas is also considered a fossil fuel as it is formed from the remains of ancient plants and animals that were buried and subjected to high pressure and heat over millions of years. Natural gas is a cleaner-burning fuel compared to coal and oil, and it is widely used for heating, cooking, and electricity generation.
14.
Solar cells are sometimes used to power all of the following EXCEPT
Correct Answer
D. Passenger trains.
Explanation
Solar cells are a form of renewable energy that convert sunlight into electricity. They are commonly used to power small electronic devices such as calculators, lights, and telephones, as they require low amounts of energy. However, passenger trains require a significantly higher amount of power to operate, which cannot be efficiently generated by solar cells alone. Therefore, solar cells are not typically used to power passenger trains.
15.
In a nuclear power plant, what is used to change water into steam?
Correct Answer
D. Heat released from nuclear fission reactions
Explanation
In a nuclear power plant, water is changed into steam using the heat released from nuclear fission reactions. Nuclear fission involves splitting the nucleus of an atom, which releases a large amount of heat energy. This heat energy is used to heat water, which then turns into steam. The steam is used to drive turbines, which generate electricity. The burning of natural gas, geothermal energy, and captured solar energy are not used in the process of changing water into steam in a nuclear power plant.
16.
Wood, leaves, and manure below to a group of renewable energy sources called _____________________ fuels.
Correct Answer
biomass
Explanation
Wood, leaves, and manure are all organic materials that can be used as fuel to generate energy. These materials come from living or recently living organisms, making them part of the biomass. Biomass fuels are considered renewable because they can be replenished through natural processes, such as the growth of plants and the decomposition of organic waste. Therefore, the correct answer for this question is biomass.
17.
Taking a bike ride instead of a car ride is practicing energy ________________________, which helps save fuel for the future.
Correct Answer
conservation
Explanation
By choosing to take a bike ride instead of a car ride, one is practicing energy conservation. This means that they are making a conscious effort to use less energy and resources, in this case, fuel. By doing so, they are contributing to the preservation of fuel for the future, as well as reducing their carbon footprint and promoting a more sustainable lifestyle.
18.
True or False: A fuel is a substance that provides energy as a result of a chemical change.
Correct Answer
true
True
Explanation
A fuel is indeed a substance that provides energy as a result of a chemical change. When a fuel undergoes combustion, it reacts with oxygen to release energy in the form of heat and light. This chemical reaction breaks down the fuel molecules, releasing the stored energy in the process. This energy can then be harnessed and used for various purposes, such as powering vehicles or generating electricity. Therefore, the statement "A fuel is a substance that provides energy as a result of a chemical change" is true.
19.
True or False: It costs a lot of money to generate solar energy.
Correct Answer
false
False
Explanation
The given answer is false. This means that it is not true that it costs a lot of money to generate solar energy. Solar energy is considered a cost-effective and sustainable source of energy. While there may be initial costs associated with installing solar panels, the long-term benefits outweigh the expenses. Once the solar panels are installed, they generate electricity for free using the sun's energy, thereby reducing electricity bills and saving money in the long run. Additionally, advancements in technology have made solar energy more affordable and accessible to a wider range of people.
20.
True or False: Clean air conservation is not a major issue in Georgia because our air is very clean already.
Correct Answer
false
False
Explanation
This statement is false. Clean air conservation is indeed a major issue in Georgia, regardless of the current state of the air quality. It is important to prioritize and maintain clean air standards to ensure the health and well-being of the population and the environment.
21.
True or False: The farmers who created Providence Canyon has poor farming practices.
Correct Answer
true
True
Explanation
The answer "true" suggests that the farmers who created Providence Canyon indeed had poor farming practices. This implies that their farming methods were not effective or sustainable, leading to negative consequences such as erosion and the formation of the canyon.
22.
True or False: Soil is a natural resource.
Correct Answer
true
True
Explanation
Soil is considered a natural resource because it is a vital component of the Earth's ecosystem. It provides a medium for plant growth, supports the growth of various organisms, and plays a crucial role in nutrient cycling. Soil also acts as a natural filter for water, helps in regulating climate, and serves as a habitat for many organisms. It is a valuable resource that is essential for agriculture, forestry, and other human activities.
23.
True or False: Gasoline that we use to power our cars could be classified as a renewable resource.
Correct Answer
False
false
Explanation
Gasoline is a fossil fuel derived from crude oil, which is a non-renewable resource. It is formed over millions of years from the remains of plants and animals. Once it is extracted and used, it cannot be replaced or replenished within a human lifespan. Therefore, gasoline cannot be classified as a renewable resource.
24.
True or False: a pollutant is any harmful material added to an environment.
Correct Answer
True
true
Explanation
A pollutant is any harmful material added to an environment. This means that if a material is added to the environment and it has harmful effects, it can be considered a pollutant. Therefore, the statement "a pollutant is any harmful material added to an environment" is true.
25.
True or False: Minerals are not considered natural resources.
Correct Answer
false
False
Explanation
Minerals are indeed considered natural resources. They are naturally occurring substances found in the earth's crust and have economic value. They are used in various industries such as construction, manufacturing, and energy production. Therefore, minerals are an important type of natural resource that is extracted and utilized for human needs.